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Patients with low astigmatism may benefit from corneal relaxing incisions

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Eyes with low amounts of corneal astigmatism that undergo refractive procedures may benefit from peripheral corneal relaxing incisions, according to a study.

Li Wang, MD, PhD, and colleagues at the Baylor College of Medicine retrospectively studied 33 eyes of 30 patients with residual astigmatism after photorefractive keratectomy or LASIK who all underwent subsequent peripheral corneal relaxing incision surgery.

While only 6% of the eyes had 20/20 or better vision post-refractive surgery, 61% achieved 20/20 or better after corneal relaxing incision surgery (P < .001). The astigmatism was significantly reduced, and the effect remained stable up to 1 year postop. None of the eyes lost one or more lines of visual acuity.

The study is published in the May issue of Journal of Cataract & Refractive Surgery.